Alpine Bladder-fern vs Brown Diving Beetle

Cystopteris alpina compared with Agabus brunneus

Key Differences

• Alpine Bladder-fern is Near Threatened while Brown Diving Beetle is Extinct.

Taxonomic Classification

Rank	Alpine Bladder-fern	Brown Diving Beetle
Kingdom	Plantae (plante)	Animalia (animal)
Phylum	Tracheophyta	Arthropoda (arthropodes)
Class	Polypodiopsida (Filicopsida)	Insecta (insecte)
Order	Polypodiales (Polypodiales)	Coleoptera (Beetles)
Family	Cystopteridaceae	Dytiscidae
Genus	Cystopteris	Agabus
Species	Cystopteris alpina	Agabus brunneus

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Brown Diving Beetle

EX — Extinct

Physical Characteristics

Attribute	Alpine Bladder-fern	Brown Diving Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Bladder-fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Alpine Bladder-fern

The Alpine Bladder-fern (Cystopteris alpina) is a species in the genus Cystopteris. It is currently classified as Near Threatened on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brown Diving Beetle

The Brown Diving Beetle (Agabus brunneus) is a species in the genus Agabus. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 1 countries:

🇸🇪 Sweden